Dual storage rack



FIG. 1 is a front elevation view of a dual storage rack illustrating my new design;

FIG. 2 is a right side view thereof, the left view being a mirror image thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a rear view thereof; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for a dual storage rack, as shown and described. 